ryan will tell the truth. >> romney's coach gave his opinion as to how the next debate will go >> we didn't go after governor romney as much so i think both men will be prepared. >> reporter: biden said he's prepared. foreign and domestic policy issues will be in place. it's the only vice presidentable debate before the election. >> you can watch the debate live thursday starting at 6:00. it's being held in dan vile kentucky. >>> one of the state ballot items has to do with genetic engineering with foot. opponents say the foods are fda approved and safe. >> genetically modified foods are no different than any type of crop and that's why they don't require labeling today. >> we believe they're problematic, links to allergies and other effects showing up in studies and environmental problems. >> reporter: latest polls show it is favored by 2 to 1. >>> we told you there was plenty to do in san francisco today. the 39th annual astro street fair. many set up stages and booths. the event raises more than $75,000 every year for charityies. it was a parade to celebrate it tall ya. 114th ital